Base | Representation |
---|---|
bin | 101011111001… |
… | …0011101110010 |
3 | 1121022012020000 |
4 | 1113302131302 |
5 | 21342410414 |
6 | 2141130430 |
7 | 366415656 |
oct | 127623562 |
9 | 47265200 |
10 | 23013234 |
11 | 11a99202 |
12 | 7859a16 |
13 | 49c9aca |
14 | 30b0a66 |
15 | 2048b09 |
hex | 15f2772 |
23013234 has 20 divisors (see below), whose sum is σ = 51567054. Its totient is φ = 7671024.
The previous prime is 23013233. The next prime is 23013251. The reversal of 23013234 is 43231032.
It can be written as a sum of positive squares in only one way, i.e., 23011209 + 2025 = 4797^2 + 45^2 .
It is a super-3 number, since 3×230132343 (a number of 23 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (23013233) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70867 + ... + 71190.
Almost surely, 223013234 is an apocalyptic number.
23013234 is an abundant number, since it is smaller than the sum of its proper divisors (28553820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23013234 is a wasteful number, since it uses less digits than its factorization.
23013234 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 142071 (or 142062 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
The square root of 23013234 is about 4797.2110647750. The cubic root of 23013234 is about 284.4412320714.
Adding to 23013234 its reverse (43231032), we get a palindrome (66244266).
The spelling of 23013234 in words is "twenty-three million, thirteen thousand, two hundred thirty-four".
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